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Allow setting UCI options programmatically.

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This commit is contained in:
Tomasz Sobczyk
2020-10-07 11:20:53 +02:00
committed by nodchip
parent 80cbc3ffee
commit 5fa28b12fa
2 changed files with 13 additions and 7 deletions
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19
src/uci.cpp
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@@ -109,7 +109,7 @@ namespace {
// setoption() is called when engine receives the "setoption" UCI command. The
// function updates the UCI option ("name") to the given value ("value").
void setoption(istringstream& is) {
void setoption_from_stream(istringstream& is) {
string token, name, value;
@@ -123,10 +123,7 @@ namespace {
while (is >> token)
value += (value.empty() ? "" : " ") + token;
if (Options.count(name))
Options[name] = value;
else
sync_cout << "No such option: " << name << sync_endl;
UCI::setoption(name, value);
}
@@ -195,7 +192,7 @@ namespace {
else
trace_eval(pos);
}
else if (token == "setoption") setoption(is);
else if (token == "setoption") setoption_from_stream(is);
else if (token == "position") position(pos, is, states);
else if (token == "ucinewgame") { Search::clear(); elapsed = now(); } // Search::clear() may take some while
}
@@ -212,6 +209,14 @@ namespace {
} // namespace
void UCI::setoption(const std::string& name, const std::string& value)
{
if (Options.count(name))
Options[name] = value;
else
sync_cout << "No such option: " << name << sync_endl;
}
// The win rate model returns the probability (per mille) of winning given an eval
// and a game-ply. The model fits rather accurately the LTC fishtest statistics.
int UCI::win_rate_model(Value v, int ply) {
@@ -318,7 +323,7 @@ void UCI::loop(int argc, char* argv[]) {
<< "\n" << Options
<< "\nuciok" << sync_endl;
else if (token == "setoption") setoption(is);
else if (token == "setoption") setoption_from_stream(is);
else if (token == "go") go(pos, is, states);
else if (token == "position") position(pos, is, states);
else if (token == "ucinewgame") Search::clear();

1
src/uci.h
View File

@@ -75,6 +75,7 @@ std::string wdl(Value v, int ply);
int win_rate_model(Value v, int ply);
double win_rate_model_double(double v, int ply);
Move to_move(const Position& pos, std::string& str);
void setoption(const std::string& name, const std::string& value);
} // namespace UCI